Is .060 over to much for a 350?

[burnskustomz]

There is a 350 rotating assembly on CL and was wondering is .060 over is to much for the 350 block? Thought about getting it!!

[cepx111]

Only if its buildable, if not, your pretty much done if it needs boring or you can get 8 sleeves put in...lol
Cp

[Tod74]

Probably depends on the casting. I know of many people that have bored a 350 .060 over with no issues...Only way to know 100% is to have the block sonic tested..I believe the 010 block is one of the better castings.

I wouldn't be afraid to try it...but It's easy for me to say that when it's your money. :D

[burnskustomz]

HAHA yea I bet it is and I haven't got a block yet this is just the rotating assem. I can get blocks for $100 dollars a piece!!! So not that high only thing is the rotating assem. 350 bucks not that bad but I think I'd rather spend the extra money on a new one and get .030 over pistons!!! Just gonna see what yall thought!!

[hink]

At .060 over on a 350 block I would sonic test first as we have not seen many blocks that would make .060 over and be used in a performance application.

We had a customer bring in a block and it sonic tested .120 on the thrust side and he said the core shift was good but I said its not a very good indicatior.

At .060 make sure its plate honed as well.

[oldandtired]

The 350 has the broadest piston offering of any engine.
SRP offers dome pistions in +.020, +.030, +.040, +.060.
Flat tops are offered in +.020, +.030, +.035, +.040, +.060, +.070.
Rule of thumb - bore the block to the smallest diameter to keep the wall thickness at a maxium.

Dave

[cncmotorsports]

We take them .060 all the time, we even go .080 on a lot of race engines with out any issues.

[hollowayshotrods]

:shock: :shock: :shock: :o :o :o

We take them .060 all the time, we even go .080 on a lot of race engines with out any issues.

[MEMRACING62]

We take them .060 all the time, we even go .080 on a lot of race engines with out any issues. crack , boom splash. :cry: :cry: :cry:

[Tod74]

At .060 over on a 350 block I would sonic test first as we have not seen many blocks that would make .060 over and be used in a performance application.

We had a customer bring in a block and it sonic tested .120 on the thrust side and he said the core shift was good but I said its not a very good indicatior.

At .060 make sure its plate honed as well.

I was surprised at this because I here of guys going .060 over quite often...but to the OP I would trust this guy's advice over most anyone in regards to engine block machining .

[cepx111]

I've had a good many 010 blocks bored .060 & never had a momments trouble, but I'd never go .080 over :shock: , IMO> thats just asking for it.
Bottom line, have it thoroughly checked out by a competent machine shop.

[N2Dirt]

i had a 350 block bored to 4.125 because we had all the other parts laying around and needed a motor asap. we filled the bottom 1/2 with block filler. It ran a little warm :D I'd come in after a 15 lap feature @ 250*. This is in a imca modified, i turned it 7500, ran it about 10 races to finish out the season.

[traysvega]

Running a .060 over block now with no issues,of course it filled from the waterpump holes down.Used a many of .060 blocks without issue..

[hink]

At .060 over on a 350 block I would sonic test first as we have not seen many blocks that would make .060 over and be used in a performance application.

We had a customer bring in a block and it sonic tested .120 on the thrust side and he said the core shift was good but I said its not a very good indicatior.

At .060 make sure its plate honed as well.

I was surprised at this because I here of guys going .060 over quite often...but to the OP I would trust this guy's advice over most anyone in regards to engine block machining .

Thats why we sonic test them and I have some that I know Won't go .060 over but if you think they are OK I guess it makes a big differance.

[Pwmax]

One thing to keep in mind, from .060 to ,080, the cylinder is only .010 thinnner, as its a diameter. .010 isn;t much, and won't make or break it.

Frank